Yeah, that would be wild if any of that completely unsubstantiated conjecture, bordering on fan-fiction, was what actually happened.
Sometimes a cigar is just a cigar.
White collar criminals often get caught later in their "careers" precisely because they do it for years and years and years without being caught. They get complacent. They get messy. Each round of embezzlement leads to a larger body of evidence that exists somewhere that becomes more and more damning as time goes on.
> The regime wouldn't want to create impression of political disunity among the officials.
In this thread we have dozens of examples of political officials being prosecuted. I'd strongly suggest you park your McCarthyism, take a break, perhaps go for a nice walk.